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Frankston CityPopulation forecast

Seaford Local Area

Population and age structure

Between 2016 and 2026, the age structure forecasts for Seaford Local Area indicate a 17.7% increase in population under working age, a 19.4% increase in population of retirement age, and a 7.8% increase in population of working age.

Knowledge of how the age structure of the population is changing is essential for planning age-based facilities and services, such as child care, recreation and aged care.

The forecast age groups of Seaford Local Area is a function of the current age of the population (people aging each year, being born and dying) as well as the age of people migrating into and out of the area. This in turn is driven by location (fringe, city centre, regional or rural) the existing housing stock (separate dwellings, medium or high density), the amount and type of new residential development (same as existing stock, or diversifying) and where the area is in a cycle of change. We call this the area’s residential role and function. You can learn more about this in the section household and suburb life cycles.

Forecast age structure - 5 year age groups
Seaford Local Area - Total persons201620262041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 41,1756.91,2306.41,2756.2+100
5 to 99505.51,1365.91,1615.6+211
10 to 147794.51,0525.51,0545.1+275
15 to 197664.59344.91,0164.9+250
20 to 249795.79885.21,1045.3+125
25 to 291,2017.01,2516.51,3296.4+128
30 to 341,3978.21,4597.61,4787.1+81
35 to 391,3127.71,4627.71,4847.2+172
40 to 441,3237.71,4237.41,4687.1+145
45 to 491,2087.01,3317.01,4386.9+230
50 to 541,0456.11,2536.61,3396.5+294
55 to 591,1416.71,1466.01,2836.2+142
60 to 649915.81,0065.31,1675.6+176
65 to 699305.41,0115.31,0855.2+155
70 to 747104.18364.49354.5+225
75 to 794972.97003.77693.7+272
80 to 843872.35092.77033.4+316
85 and over3472.03732.06423.1+295
Total persons17,138100.019,100100.020,733100.0+3,595
Population and household forecasts, 2016 to 2041, prepared by .id , the population experts, September 2018.

Key findings

In 2016, the dominant age structure for persons in Seaford Local Area was ages 30 to 34, which accounted for 8.2% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 10 to 14, which is expected to increase by 273 and account for 5.5% of the total persons.

The largest 5 year age group in 2026 is 35 to 39 years, with a total of 1,462 persons.

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